Zehnder 471234250 ComfoAir Flex 350 Space Saving Design Mechanical Ventilation Unit With Heat Recovery MVHR

ComfoAir Flex 350 MVHR Unit – Compact, Ceiling-Mounted Ventilation with 350 m³/h Airflow, Climate Switch® & App Control

The ComfoAir Flex 350 is a premium, space-saving Mechanical Ventilation with Heat Recovery (MVHR) unit designed for modern apartments and tight installation spaces. With Climate Switch® technology, optional humidity recovery, and smart app-based operation, it delivers exceptional indoor air quality, quiet operation, and flexible installation in a compact ceiling-mounted design.

• Climate Switch® Technology: Automatically balances comfort in all seasons—preventing overheating in summer and maximising heat recovery in winter.
• Powerful Yet Quiet: Delivers up to 350 m³/h airflow at 200 Pa with ultra-low noise levels, ensuring discreet and comfortable operation even at peak performance.
• App-Enabled Control: Built-in WiFi allows full operation, commissioning, and configuration via the Zehnder ComfoControl App, including airflow balancing and flow direction switching.
• Ceiling-Optimised & Reversible: Minimal dimensions and 4 x 45° rotatable connections enable flexible installation in suspended ceilings; left/right ducting configurable via app.
• Advanced Filtration & Enthalpy Option: Filters out pollutants for clean, healthy air. Enthalpy exchanger available from 2024 for humidity recovery and moisture balance.

Technical Specification

• Max. Air Volume: 350 m³/h at 200 Pa
• Thermal Efficiency: High efficiency via custom heat exchanger (exact value not stated)
• Mounting Type: Ceiling/suspended ceiling
• Power Supply: 230 V, 50 Hz | Amperage: 1 A
• Energy Rating: Class A+ / A

✅ Choose the ComfoAir Flex 350 for compact, ceiling-integrated ventilation with powerful performance, quiet operation, and app-driven control for smarter living.